candidates right now are the homeland security and counterterrorism adviser to the president, john brennan, and on the left of your screen you see the acting cia head, mike morrall. lester? >> thank you. >>> in addition to the battles over the debt ceiling and cabinet nominations, the president has a lot more on his plate in the coming weeks, including a fight over guns after the tragedy in newtown. and there's word tonight about what the obama administration is planning to do. we get our report from nbc's mark potter. >> reporter: in aurora, colorado, scene of last year's moviehouse massacre, officials say a gunman killed three people in a home before firing at police. >> the suspect was hit and he has been pronounced dead. >> reporter: this as lawmakers call for more action. >> we will not have as the new normal a mass shooting every month. >> reporter: gun shows near orlando and atlanta drew huge crowds this weekend, but the decision to hold a gun collector's show near newtown, connecticut, where the school shootings occurred, drew mixed reactions. >> it seems insensitive to have the ev